How much capital require to trade BANKNIFTY Positional without any risk of penalty!

I would like to know how much capital is required to trade banknifty future positionaly without the risk of any penalties! Recently the margin requirements for future contracts are changing frequently, so I am bit confused about the current margin requirement for positional trade of banknifty future. Please let me know!

Thank You!


And this picture shows like 20 lots here ? Please correct me if I am wrong really. Damn, you really need to have to much money in your accounts to earn something real from that;) But is that correct calculations, I assume that so, so will try as well.

It is lot size 20 =1 lot